RE: Kernel Panic

[Christophe DUMONT <Christophe.DUMONT@xxxxxxx>]

Hello,

 

What made me think about a memory leak is the message : Java Not Tainted 3.10.0-1062.1.1.el7.x86_64.

I can’t access the bug report referenced : an active redhat subscription is needed !

 

Christophe Dumont

Ligne directe : 0476842574

 

De : Valdis Kletnieks <valdis@xxxxxx> De la part de Valdis Kletnieks
Envoyé : mardi 15 octobre 2019 22:20
À : Christophe DUMONT <Christophe.DUMONT@xxxxxxx>
Cc : kernelnewbies@xxxxxxxxxxxxxxxxx
Objet : Re: Kernel Panic

 

On Tue, 15 Oct 2019 07:21:18 -0000, Christophe DUMONT said:

> We're facing Kernel Panic on CentOS 7 since upgrading from 3.10.0-957 to 3.10.0-1062. I'm thinking about a java memory leak, but not sure.

> Do you know what's going on here ?

Well, what made you think "Java memory leak"?

Java is userspace.  If it's leaking memory so far that the kernel has problems, it would probably:

a) Have been leaking memory and causing problems in -957 as well
b) Died in the OOM (Out Of Memory) code, rather than in the futex() system call.

Yes, poorly written Java code will leak memory like a sieve, but this doesn't smell
anything remotely like a memory leak.

I agree with Valentin that it's probably the bug report he references.

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